Peatlands develop in specific hydrological settings and react sensitively to changes in climatic and hydrological boundary conditions. The hydrology of peatlands is fundamental to their function and development. Soil hydrological properties can change drastically after human interventions such as drainage, causing challenges for both model parameterisation and re-wetting measures. Pristine peatlands offer and regulate a number of ecosystem services such as biodiversity, carbon storage and nutrient retention. Hydrology is a key control for a number of these services but studies on peatland hydrology are surprisingly scarce. Furthermore, the effects of peatlands (both pristine and disturbed) on flood retention and on regional climate are much debated, but there seem to be more myths than data. As hydrological and biotic processes in peatlands are strongly coupled, estimating the eco-hydrological response of peatlands under climate change and linking it to vegetation development and greenhouse gas emissions is a demanding task for modellers.
This session aims to bring together peatland scientists to focus on improved understanding of hydrological processes operating in all types of peatlands. Peatlands being considered may be pristine or disturbed and degraded and may also include rehabilitation and re-wetting interventions. Hydrological data may have been collected for other reasons (e.g. carbon flux calculations) but the session welcomes re-examination of such hydrological data in its own right or as supporting data for other studies. Results from research focussing on all aspects of peatland hydrology are welcome in this session. Our scale of interest ranges from the plot to the regional scale. Field, laboratory or modelling studies on hydrological, hydrochemical or geophysical topics are welcome. Studies examining hydrological ecosystem service provision such as nutrient retention or flood protection would be welcome.

Convener: Michel Bechtold | Co-conveners: Ullrich Dettmann, Joseph Holden, Björn Klöve, Marie Larocque
| Tue, 09 Apr, 08:30–10:15
Room 2.15
| Attendance Tue, 09 Apr, 10:45–12:30
Hall A

Tuesday, 9 April 2019 | Room 2.15

Chairperson: Michel Bechtold
Hydrometeorology of peatlands
08:30–08:45 |
Iuliia Burdun, Valentina Sagris, and Ülo Mander
08:45–09:00 |
Fred Worrall, Ian Boothroyd, Nicholas Howden, Tim Burt, Rosie Gardner, Richard Smith, Lucy Mitchell, Tim Kohler, and Ruth Gregg
Hydrological oscillations and extremes
09:00–09:15 |
Chris Marshall, Peter Gilbert, Henk Pieter Sterk, Andrew Bradley, Roxane Andersen, Lauren Parry, Andrew Sowter, Stuart Marsh, and David Large
09:15–09:30 |
Emma Shuttleworth, Martin Evans, Tim Allott, Martin Kay, Joseph Holden, and David Milledge
09:30–09:45 |
Ottfried Dietrich, Marcus Fahle, Thomas Kaiser, and Jörg Steidl
09:45–10:00 |
Sorcha Cahill, Raymond Flynn, Florence Renou-Wilson, Francis Mackin, and Claire McVeigh
10:00–10:15 |
Lorna Harris, Chantel Markle, Paul Moore, Taylor North, and Mike Waddington